787974057

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{21517}}^1$

素因数の和:21849

約数の個数: 24

約数和(自身を含む): 1229710664

約数和(自身を除く): 441736607

約数列:

[1, 3, 9, 13, 39, 117, 313, 939, 2817, 4069, 12207, 21517, 36621, 64551, 193653, 279721, 839163, 2517489, 6734821, 20204463, 60613389, 87552673, 262658019, 787974057]

約数ペア:

[(1, 787974057), (3, 262658019), (9, 87552673), (13, 60613389), (39, 20204463), (117, 6734821), (313, 2517489), (939, 839163), (2817, 279721), (4069, 193653), (12207, 64551), (21517, 36621)]